Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual estado federal tem 6 representantes da média nacional?
 ###Tabelas: CREATE TABLE meistriliiga_clubs_2013 (meistriliiga_clubs_2013_id AUTO_INCREMENT PRIMARY KEY, Club VARCHAR, Position in 2012 VARCHAR, First season in top division INT, Number of seasons in Meistriliiga INT, First season of current spell in top division INT, Top division titles INT) CREATE TABLE most_watched_programmes (most_watched_programmes_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Series VARCHAR, Episode title VARCHAR, Viewers INT, Date VARCHAR) CREATE TABLE federal_representation (federal_representation_id AUTO_INCREMENT PRIMARY KEY, Federal State VARCHAR, Number of Members INT, % Of total Members VARCHAR, Population (on the census also called Censo 2010) VARCHAR, % Of the population (Censo 2010) VARCHAR, Representativeness (Inhabitants / Mr) VARCHAR, Representatives of national average VARCHAR, Deputies required ignoring the limits INT) CREATE TABLE 1980 (1980_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, City VARCHAR, Opponent VARCHAR, Results¹ VARCHAR, Type of game VARCHAR) CREATE TABLE record (record_id AUTO_INCREMENT PRIMARY KEY, Competition VARCHAR, Total Matches INT, Cardiff Win INT, Draw INT, Swansea Win INT)  
SELECT Federal State FROM federal_representation WHERE Representatives of national average = 6